shithub: mc

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Don't introduce loops in the match trie.

--- a/mi/match.c

+++ b/mi/match.c

@@ -257,6 +257,8 @@

 	ntail = 0;

 	ty = tybase(ty);

 	if (istyprimitive(ty) || ty->type == Tyvoid) {

+		if (start == accept)

+			return 0;

 		for (i = 0; i < start->nnext; i++)

 			lappend(end, nend, start->next[i]);

 		if (start->any) {